[media] gspca - zc3xx: Fix bad images with the sensor hv7131r

The problem was introduced by the commit 2af0b4c60cc0daf0.
Some registers were no more initialized.

Tested-by: <Giovanni Scafora giovanni@archlinux.org>
Tested-by: <Sergey Manucharian sm@ingeniware.com>
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index f9710f9..cf65fb3 100644 (file)
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -5830,7 +5830,7 @@ static void setmatrix(struct gspca_dev *gspca_dev)
                [SENSOR_GC0305] =       gc0305_matrix,
                [SENSOR_HDCS2020b] =    NULL,
                [SENSOR_HV7131B] =      NULL,
-               [SENSOR_HV7131R] =      NULL,
+               [SENSOR_HV7131R] =      po2030_matrix,
                [SENSOR_ICM105A] =      po2030_matrix,
                [SENSOR_MC501CB] =      NULL,
                [SENSOR_MT9V111_1] =    gc0305_matrix,
@@ -5936,6 +5936,7 @@ static void setquality(struct gspca_dev *gspca_dev)
        case SENSOR_ADCM2700:
        case SENSOR_GC0305:
        case SENSOR_HV7131B:
+       case SENSOR_HV7131R:
        case SENSOR_OV7620:
        case SENSOR_PAS202B:
        case SENSOR_PO2030:
@@ -6108,11 +6109,13 @@ static void send_unknown(struct gspca_dev *gspca_dev, int sensor)
                reg_w(gspca_dev, 0x02, 0x003b);
                reg_w(gspca_dev, 0x00, 0x0038);
                break;
+       case SENSOR_HV7131R:
        case SENSOR_PAS202B:
                reg_w(gspca_dev, 0x03, 0x003b);
                reg_w(gspca_dev, 0x0c, 0x003a);
                reg_w(gspca_dev, 0x0b, 0x0039);
-               reg_w(gspca_dev, 0x0b, 0x0038);
+               if (sensor == SENSOR_PAS202B)
+                       reg_w(gspca_dev, 0x0b, 0x0038);
                break;
        }
 }
@@ -6704,10 +6707,13 @@ static int sd_start(struct gspca_dev *gspca_dev)
                reg_w(gspca_dev, 0x02, 0x003b);
                reg_w(gspca_dev, 0x00, 0x0038);
                break;
+       case SENSOR_HV7131R:
        case SENSOR_PAS202B:
                reg_w(gspca_dev, 0x03, 0x003b);
                reg_w(gspca_dev, 0x0c, 0x003a);
                reg_w(gspca_dev, 0x0b, 0x0039);
+               if (sd->sensor == SENSOR_HV7131R)
+                       reg_w(gspca_dev, 0x50, ZC3XX_R11D_GLOBALGAIN);
                break;
        }
 
@@ -6720,6 +6726,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
                break;
        case SENSOR_PAS202B:
        case SENSOR_GC0305:
+       case SENSOR_HV7131R:
        case SENSOR_TAS5130C:
                reg_r(gspca_dev, 0x0008);
                /* fall thru */
@@ -6760,6 +6767,12 @@ static int sd_start(struct gspca_dev *gspca_dev)
                                                /* ms-win + */
                reg_w(gspca_dev, 0x40, 0x0117);
                break;
+       case SENSOR_HV7131R:
+               i2c_write(gspca_dev, 0x25, 0x04, 0x00); /* exposure */
+               i2c_write(gspca_dev, 0x26, 0x93, 0x00);
+               i2c_write(gspca_dev, 0x27, 0xe0, 0x00);
+               reg_w(gspca_dev, 0x00, ZC3XX_R1A7_CALCGLOBALMEAN);
+               break;
        case SENSOR_GC0305:
        case SENSOR_TAS5130C:
                reg_w(gspca_dev, 0x09, 0x01ad); /* (from win traces) */